Huawei DBS3900 LTE Installation Manual page 56

RRU3260
Installation Guide
3.
Issue ()
Figure 7-7 Binding fiber optic cables
(1) Lifting sling
CAUTION
Do not remove the stretch sling and protection pipe or bind fiber optic cables using one
sling, as shown in Figure
Figure 7-8 Incorrect binding method
Installation engineer B rotates the fiber spools at the speed of 5 m (16.4 ft) to 15 m (49.21
ft) per minute to coil the fiber optic cables.
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7 Hoisting an RRU and Related Cables onto a Tower
(2) Stretch sling
7-8.
(3) Traction sling
48